The marine reptiles Ichthyosaurs arose after The Great Dying, which wiped out at least 90 percent of life in the oceans, changing the seas forever and triggering a new evolutionary arms race between predator and prey.

In 1977, a farmer was plowing his field on a plateau high in the Andes mountains when he stumbled upon a giant fossilized skeleton. How did this giant marine reptile end up high in the Andes Mountains?

Learn about the famous red hat wearing underwater explorer Jacques Cousteau! Hosted by: Hank Green

We often think of the ocean’s tide as a simple rise and fall, connected to the motion of the Moon. But on any given shore, the reality is much more complex and oceanic scientists have realized recently that there’s another, more...

NASA's Dragonfly -- a robotic rotorcraft-lander that's designed to hop across the surface of an extraterrestrial body -- is set to voyage deep into the solar system to explore Titan, Saturn's largest moon, in 2026. Planetary scientist...

What is the world's favorite fossil? Why the orthoceras of course! Hank will tell why that is in this episode of SciShow. Find out how you can get your very own orthoceras fossil.

Movement artists Jon Boogz and Lil Buck debut "Honor thy mother," a delicate, powerful performance of spoken word, violin and dance that draws on the tormented relationship between nature and humanity.

How To Avoid the Next Atlantis

Sunken relics, ghostly shipwrecks, and lost cities aren't just wonders found in fictional adventures. Beneath the ocean's surface, there are ruins where people once roamed and shipwrecks loaded with artifacts from another time. Peter...

We often think of the ocean’s tide as a simple rise and fall, connected to the motion of the Moon. But on any given shore, the reality is much more complex and oceanic scientists have realized recently that there’s another, more...

In tropical seas, flying fish leap out of the water, gliding for up to 200 meters, before dipping back into the sea. In the Indo-Pacific, a hunting sailfish swims up to 110 kilometers per hour. These feats are made possible by a fish's...

Conventional vaccine testing is a slow, years-long process. As thousands of people continue to die each day from COVID-19, bioethicist Nir Eyal proposes a radical idea that could dramatically accelerate the vaccine development timeline:...

Marine mammals are famously large, but why is that? And is there a polar bear-sized sea otter in our future?

Huge container ships relying on fossil fuels transport all kinds of goods across the ocean, creating a huge climate change impact. But there's a better way to power this transport using, of all things, water.

Learn about the famous red hat wearing underwater explorer Jacques Cousteau!

With rising temperatures and seas, massive droughts, and changing landscapes, successfully adapting to climate change is increasingly important. For humans, this can mean using technology to find solutions. But for some plants and...

The first era of our current eon, the Paleozoic Era, is probably the most deceptively fascinating time in Earth's history. With near constant revolutions in life, punctuated by catastrophic extinctions, it is also one of the most chaotic.

A passenger has died after jumping overboard from the world’s largest cruise ship after it set sail from Florida.The male passenger, who has not been identified, reportedly jumped, according to the New York Post, from the 20-deck high...

The European colonization of North America was largely influenced by geography. In the New England, Middle and Southern Colonies, the land and conditions varied. So how did settlers take advantage of their environments to establish the...

This video highlights the collaboration between Japanese buyers and Indonesian fishermen to address the declining tuna population in Indonesian seas. The establishment of a large tuna hatchery in Bali aims to sustain the supply of tuna...

Venice’s maritime empire, once dominant, faced relentless challenges from the Ottomans, costly wars, and devastating plagues, leading to its gradual decline. By the late 18th century, Napoleon’s conquests marked the end of Venetian...

The term ‘sea glass’ is used to refer to the small pieces of glass that are typically found on beaches along bays, seas, and oceans, but they can also be found on the banks of large rivers. Sea glass is weathered both physically and...

How does water get polluted? Discover what water pollution means for the environment and how it affects humans. Earth Science - Human Impacts - Learning Points. Industry, agriculture and sewage all contribute to water pollution....

Explore the deepest place on Earth, the Mariana Trench. <br<b<br/>r/>/>


People and pla<br<b<br/>r/>/>ces - Mapping - Mapping the seas


A Twig Tidbit Film - Clip. A short film that extends the learning beyond the curriculum.